import string
from keyword import kwlist

alphas = string.letters + '_'
nums = string.digits

print 'Welcome to the ID Checker V1.2'

myInput = raw_input("ID?")

if (myInput[0] not in alphas):
    print 'invalid!'
elif myInput in kwlist:
    print 'Violent of key words'
else:
    print 'OK!'
